html,body{
    overflow: hidden;
    position: relative;
    perspective: 1000px;
    margin: 0;
    width: 100%;
    height: 100%;
    background-image: url(../img/mountains-lake_1.jpg);
    background-position:center;
    background-size: cover;
    background-repeat: no-repeat;
}
p{
    padding: 0;
    margin: 0;
}
#app{
    overflow: hidden;
    transform-style: preserve-3d;
    transform: rotate3d(3,-5,1,45deg);
    width: 800px;
    height: 800px;
    text-align: center;
}
#app,.year,.hours,.minuteds,.seconds{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;                  
    bottom: 0;
    margin:auto;
}
.year{
    z-index: 99;
    width: 300px;
    height:90px;
    line-height: 30px;
    font-size: 25px;
    color: #f30957;
    text-shadow: 1px 2px 2px #000000de;
}
.hours,.minuteds,.seconds{
    overflow: hidden;
    border-radius: 50%;
    transform-origin: center;
    font-size: 12px;
    transition-duration: 0.3s;
}
.hours{
    z-index: 9;
    width:50%;
    height: 50%;
}
.minuteds{
    z-index: 8;
    width: 70%;
    height: 70%;
}
.seconds{
    z-index: 7;
    width: 90%;
    height: 90%;
}
.seconds_childs,
.minuteds_childs,
.hours_childs{
    position: absolute;
    top: 50%;
    right: 0;
    transform-origin: left;
    width: 50%;
    height: 2px;
    text-align: end;
    color: rgb(230, 230, 233);
}
.minuteds_childs::after{
    content: "";
    position: absolute;
    left: 38%;
    width: 6px;
    height: 2px;
    background-color: #f30957;
    box-shadow: 0 1px 5px #610221;
}
#app .childs_text{
    position: absolute;
    right: 0;
    top: -10px;
    width: 80px;
    height: 20px;
    line-height: 20px;
    border-radius: 8px;
    text-align: center;
    transition-duration: 0.3s;
}
.minuteds>.minuteds_childs_active>.childs_text,
.seconds>.seconds_childs_active>.childs_text,
.hours>.hours_childs_active>.childs_text{
    background-color: rgba(26, 25, 25, 0.979);
    font-weight: bolder;
    color: #f30957;
}